期刊
BRAIN RESEARCH
卷 1784, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.brainres.2022.147845
关键词
BDNF; Neurogenesis; Oxidative stress; Essential oil; Depression; Mice
资金
- CNPq
- CAPES
- FAPERGS [ARD 19/2551-0001258-6, PRONEM 16/2551-0000240-1]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) [001]
- UFPel
This study demonstrated the potential therapeutic effects of flower essential oil from Tagetes minuta in attenuating depressive-like behavior induced by stress or inflammation. The oil reversed oxidative stress, decreased corticosterone levels, and restored the expression of neurotrophic factors, suggesting its promising antidepressant properties.
Essential oils (EO) are plant extracts widely used for various pharmacological applications and their antioxidant and anti-inflammatory effects have received a lot of attention because they hold the potential to reduce oxidative stress, and neuroinflammation, alterations involved in the pathophysiology of major depressive disorder. This study examined the benefits of administration of flower EO of the Tagetes minuta (10 and 50 mg/kg, intragastric route) in attenuating behavioral, neurochemical, and neuroendocrine changes in animal models of depressive like behavior induced by acute restraint stress and lipopolysaccharide (0.83 mg/kg, intraperitoneally). We demonstrated that the treatment of mice with flower EO of the T. minuta reversed the depressive-like behavior induced by stress or inflammatory challenge in mice. This effect is most likely due to the reversal of oxidative stress in the hippocampus of mice, the decrease in plasma corticosterone levels, and restoration of the mRNA levels of brain-derived neurotrophic factor, phosphatidylinositol-3-kinase, protein kinase B, and extracellular signal-regulated kinase 2. As an outcome, flower EO of the T. minuta has promising antidepressant properties and could be considered for new therapeutic strategies for major depressive disorder.
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